MakeItFrom.com
Menu (ESC)

S31803 Stainless Steel vs. AISI 405 Stainless Steel

Both S31803 stainless steel and AISI 405 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 82% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S31803 stainless steel and the bottom bar is AISI 405 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
22
Fatigue Strength, MPa 370
130
Poisson's Ratio 0.27
0.28
Reduction in Area, % 50
51
Shear Modulus, GPa 80
76
Shear Strength, MPa 460
300
Tensile Strength: Ultimate (UTS), MPa 710
470
Tensile Strength: Yield (Proof), MPa 500
200

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 1060
820
Melting Completion (Liquidus), °C 1450
1530
Melting Onset (Solidus), °C 1400
1480
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
30
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 17
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.6
2.0
Embodied Energy, MJ/kg 49
28
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 34
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
84
Resilience: Unit (Modulus of Resilience), kJ/m3 630
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
17
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 4.3
8.1
Thermal Shock Resistance, points 20
16

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.3
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 21 to 23
11.5 to 14.5
Iron (Fe), % 63.7 to 71.9
82.5 to 88.4
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 4.5 to 6.5
0 to 0.6
Nitrogen (N), % 0.080 to 0.2
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030